import java.util.Scanner;

public class Java17 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int a = scanner.nextInt();
        switch (a) {
            case 1:
            case 2:
            case 3:
                System.out.println("春季");
                break;
        }
        switch (a) {
            case 4:
            case 5:
            case 6:
                System.out.println("夏季");
                break;
        }
        switch (a) {
            case 7:
            case 8:
            case 9:
                System.out.println("秋季");
                break;
        }
        switch (a) {
            case 10:
            case 11:
            case 12:
                System.out.println("冬季");
                break;
        }
    }
}
